Octopuses Mate With a Special “Sex Arm”

Published 21 Mar 2018, 14:30 GMT
Octopuses Mate With a Special “Sex Arm”
Octopuses Mate With a Special “Sex Arm”

This octopus game of cat-and-mouse actually has a very important goal—mating. Male octopuses have a specially modified "sex arm" that they use to place a pack of sperm into the female's mantle cavity.

The female then lays her eggs in a hole or under rocks. Once they hatch, the tiny octopods float in the water for several weeks before returning to the bottom.

Read More

explore videos

Animals1:15

Hundreds of Octopus Moms Found in Deepest Nursery Ever Discovered

Explore Nat Geo

  • Animals
  • Environment
  • History & Culture
  • Science
  • Travel
  • Photography
  • Space
  • Adventure
  • Video

About us

Subscribe

  • Magazines
  • Newsletter
  • Disney+

Follow us

Copyright © 1996-2015 National Geographic Society. Copyright © 2015-2016 National Geographic Partners, LLC. All rights reserved